The nearest airport is ZNV - Koblenz Winningen, located 35.0 km west of Diez.
Other airports nearby include FRA - Frankfurt Main (53.3 km south east), ZNF - Hanau Aaf (70.9 km east), HHN - Frankfurt Hahn (71.1 km south west), CGN - Cologne Koln Bonn (83.1 km north west),